DE4310088A1 - Verfahren zur Herstellung und Aufarbeitung von in wäßrigem Medium löslichen N-Hydroxyalkylchitosanen - Google Patents
Verfahren zur Herstellung und Aufarbeitung von in wäßrigem Medium löslichen N-HydroxyalkylchitosanenInfo
- Publication number
- DE4310088A1 DE4310088A1 DE4310088A DE4310088A DE4310088A1 DE 4310088 A1 DE4310088 A1 DE 4310088A1 DE 4310088 A DE4310088 A DE 4310088A DE 4310088 A DE4310088 A DE 4310088A DE 4310088 A1 DE4310088 A1 DE 4310088A1
- Authority
- DE
- Germany
- Prior art keywords
- chitosan
- drying
- water
- aqueous medium
- hydroxyalkylation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/28—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position
- F26B17/284—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position the materials being dried on the non-perforated surface of heated rollers or drums
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/10—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it
- F26B3/12—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it in the form of a spray, i.e. sprayed or dispersed emulsions or suspensions
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Saccharide Compounds (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Cosmetics (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4310088A DE4310088A1 (de) | 1993-03-27 | 1993-03-27 | Verfahren zur Herstellung und Aufarbeitung von in wäßrigem Medium löslichen N-Hydroxyalkylchitosanen |
DE59408156T DE59408156D1 (de) | 1993-03-27 | 1994-03-16 | Verfahren zur Herstellung und Aufarbeitung von in wässrigem Medium löslichen N-Hydroxyalkylchitosanen |
EP94104079A EP0618233B1 (de) | 1993-03-27 | 1994-03-16 | Verfahren zur Herstellung und Aufarbeitung von in wässrigem Medium löslichen N-Hydroxyalkylchitosanen |
ES94104079T ES2131602T3 (es) | 1993-03-27 | 1994-03-16 | Procedimiento para la preparacion y procesamiento de n-hidroxialquilquitosanos solubles en medio acuoso. |
US08/217,189 US6090928A (en) | 1993-03-27 | 1994-03-24 | Process for the preparation and work-up of N-hydroxyalkylchitosans soluble in aqueous medium |
JP6054075A JPH06340702A (ja) | 1993-03-27 | 1994-03-24 | 水性媒体中に可溶なn− ヒドロキシアルキルキトサンを製造及び後処理する方法 |
BR9401296A BR9401296A (pt) | 1993-03-27 | 1994-03-25 | Processo para a preparação e processamento de n-hidroxialquilquitosanos solúveis em meio aquoso e éter de hidroxialquilcelulose |
CA002119967A CA2119967A1 (en) | 1993-03-27 | 1994-03-25 | Process for the preparation and work-up of n-hydroxyalkylchitosans soluble in aqueous medium |
NO941114A NO941114L (no) | 1993-03-27 | 1994-03-25 | Fremgangsmåte for fremstilling og opparbeiding av N-hydroksychitosaner som er opplöselige i vandig medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4310088A DE4310088A1 (de) | 1993-03-27 | 1993-03-27 | Verfahren zur Herstellung und Aufarbeitung von in wäßrigem Medium löslichen N-Hydroxyalkylchitosanen |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4310088A1 true DE4310088A1 (de) | 1994-09-29 |
Family
ID=6484085
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4310088A Withdrawn DE4310088A1 (de) | 1993-03-27 | 1993-03-27 | Verfahren zur Herstellung und Aufarbeitung von in wäßrigem Medium löslichen N-Hydroxyalkylchitosanen |
DE59408156T Expired - Fee Related DE59408156D1 (de) | 1993-03-27 | 1994-03-16 | Verfahren zur Herstellung und Aufarbeitung von in wässrigem Medium löslichen N-Hydroxyalkylchitosanen |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE59408156T Expired - Fee Related DE59408156D1 (de) | 1993-03-27 | 1994-03-16 | Verfahren zur Herstellung und Aufarbeitung von in wässrigem Medium löslichen N-Hydroxyalkylchitosanen |
Country Status (8)
Country | Link |
---|---|
US (1) | US6090928A (pt) |
EP (1) | EP0618233B1 (pt) |
JP (1) | JPH06340702A (pt) |
BR (1) | BR9401296A (pt) |
CA (1) | CA2119967A1 (pt) |
DE (2) | DE4310088A1 (pt) |
ES (1) | ES2131602T3 (pt) |
NO (1) | NO941114L (pt) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0778286A2 (de) | 1995-12-05 | 1997-06-11 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Verfahren zur Herstellung von Chitosanalkylderivaten |
EP3981798A1 (en) * | 2020-10-10 | 2022-04-13 | Shandong Eton New Material Co., Ltd. | Modified chitosan, preparation method thereof, and additive for tile adhesive and use thereof |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6136834A (en) | 1995-12-27 | 2000-10-24 | Ono Pharmaceutical Co., Ltd. | Tetrazole compounds and pharmaceutical agents containing such derivative |
DE19601763A1 (de) * | 1996-01-19 | 1997-07-24 | Hoechst Ag | Verwendung von Tensiden bei der Trocknung von hydrophilen, hochquellfähigen Hydrogelen |
JP3958536B2 (ja) * | 2000-07-12 | 2007-08-15 | 大日精化工業株式会社 | 水性溶液組成物および物品の表面改質方法 |
US6458938B1 (en) * | 2001-01-12 | 2002-10-01 | Coreana Cosmetics Co., Ltd. | Chitosan derivatives combined with polypropylene glycol and method for preparing the same |
US6933372B2 (en) * | 2003-03-07 | 2005-08-23 | Warner-Lambert Company | Method to produce a solid form of heparin |
WO2005100468A1 (ja) * | 2004-03-31 | 2005-10-27 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 温度応答性組成物およびそのヒドロゲル |
CN102782147B (zh) * | 2010-02-01 | 2015-04-08 | Fp创新研究中心 | 真菌改性壳聚糖粘合剂和从该粘合剂制得的木材复合物 |
KR101262056B1 (ko) * | 2010-08-30 | 2013-05-08 | 충남대학교산학협력단 | 글리콜 키토산 유도체, 이의 제조방법 및 이를 포함하는 약물 전달체 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB978495A (en) * | 1962-07-25 | 1964-12-23 | Staley Mfg Co A E | Amylose solutions |
JPS57180602A (en) * | 1981-04-30 | 1982-11-06 | Nippon Soda Co Ltd | Production of water-soluble chitosan derivative and film-forming agent comprising same |
JPS58109502A (ja) * | 1981-12-23 | 1983-06-29 | Mitsubishi Acetate Co Ltd | ガラクトマンナンのヒドロキシアルキルエ−テルの製造方法 |
US4845204A (en) * | 1985-02-07 | 1989-07-04 | Wella Aktiengesellschaft | Cosmetic compositions on the basis of alkyl-hydroxypropyl-substituted chitosan derivatives, new chitosan derivatives and processes for the production thereof |
DE3541305A1 (de) * | 1985-11-22 | 1987-05-27 | Wella Ag | Kosmetische mittel auf der basis von n-hydroxypropylchitosanen, neue n-hydroxypropyl-chitosane sowie verfahren zu ihrer herstellung |
DE3703760A1 (de) * | 1987-02-07 | 1988-08-18 | Wella Ag | Kosmetisches mittel auf der basis von n-hydroxypropylisopropyletherchitosanen, sowie neue n-hydroxypropylisopropyletherderivate des chitosans |
DE3715576A1 (de) * | 1987-05-09 | 1988-11-24 | Wella Ag | Neue makromolekulare, oberflaechenaktive, quaternaere n-substituierte chitosanderivate sowie kosmetisches mittel auf der basis dieser neuen chitosanderivate |
DE3723811A1 (de) * | 1987-07-18 | 1989-01-26 | Wella Ag | Nagellack auf der basis von o-benzyl-n-hydroxyalkylchitosanen sowie neue o-benzyl-n-hydroxyalkylderivate des chitosans |
JP2537421B2 (ja) * | 1990-02-08 | 1996-09-25 | 大日精化工業株式会社 | ヒドロキシプロピル化脱アセチルキチン及びその製造方法 |
JP2619304B2 (ja) * | 1990-12-19 | 1997-06-11 | 大日精化工業株式会社 | ヒドロキシプロピル化脱アセチル化キチンの製造方法 |
-
1993
- 1993-03-27 DE DE4310088A patent/DE4310088A1/de not_active Withdrawn
-
1994
- 1994-03-16 ES ES94104079T patent/ES2131602T3/es not_active Expired - Lifetime
- 1994-03-16 DE DE59408156T patent/DE59408156D1/de not_active Expired - Fee Related
- 1994-03-16 EP EP94104079A patent/EP0618233B1/de not_active Expired - Lifetime
- 1994-03-24 JP JP6054075A patent/JPH06340702A/ja not_active Withdrawn
- 1994-03-24 US US08/217,189 patent/US6090928A/en not_active Expired - Fee Related
- 1994-03-25 BR BR9401296A patent/BR9401296A/pt not_active Application Discontinuation
- 1994-03-25 CA CA002119967A patent/CA2119967A1/en not_active Abandoned
- 1994-03-25 NO NO941114A patent/NO941114L/no unknown
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0778286A2 (de) | 1995-12-05 | 1997-06-11 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Verfahren zur Herstellung von Chitosanalkylderivaten |
DE19545325A1 (de) * | 1995-12-05 | 1997-06-12 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von Chitosanalkylderivaten |
DE19545325B4 (de) * | 1995-12-05 | 2005-03-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von Chitosanalkylderivaten |
EP3981798A1 (en) * | 2020-10-10 | 2022-04-13 | Shandong Eton New Material Co., Ltd. | Modified chitosan, preparation method thereof, and additive for tile adhesive and use thereof |
Also Published As
Publication number | Publication date |
---|---|
CA2119967A1 (en) | 1994-09-28 |
DE59408156D1 (de) | 1999-06-02 |
NO941114L (no) | 1994-09-28 |
JPH06340702A (ja) | 1994-12-13 |
US6090928A (en) | 2000-07-18 |
EP0618233B1 (de) | 1999-04-28 |
ES2131602T3 (es) | 1999-08-01 |
BR9401296A (pt) | 1994-11-01 |
EP0618233A3 (de) | 1995-06-28 |
NO941114D0 (no) | 1994-03-25 |
EP0618233A2 (de) | 1994-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8130 | Withdrawal |